Extra Proficiency Samples
Extra proficiency samples are available in limited quantities for sale for other uses such as training or certification of technicians, testing or equipment verification, inter-laboratory studies, etc. Please note that samples purchased for resolving AASHTO Accreditation issues are sold for the same prices as listed below; however, the soil and aggregate sample shipments will only include one sample. Payment is required before extra samples will be shipped.
To view a list of samples with related tests, please click here.
To purchase samples, please click here.
Please direct inquiries to AMRL as follows:
Phone: (240) 436-4900
Email: psp@amrl.net
Fax: (240) 436-4899
Extra Proficiency Samples List | Sample Type | Sample Size (per pair) | Fee (per pair) |
| Viscosity Graded Asphalt Cement | 2 x 1-qt cans | $130.00 |
| Performance Graded Binder | 2 x 1-qt cans | $130.00 |
| Hot Mix Asphalt Marshall Design | Enough material to mix 6 x 4-in spec. | $250.00 |
| Hot Mix Asphalt Hveem Design | Enough material to mix 6 x 4-in spec. | $250.00 |
| Hot Mix Asphalt Gyratory | Material for 2 butter batches and 2 specimens | $250.00 |
| Hot Mix Asphalt Ignition Oven | Material for butter batch and 2 specimens | $290.00 |
| Hot Mix Asphalt Solvent Extraction | 2 pre-mixed specimens | $290.00 |
| Coarse Aggregate | 1 x 11-kg sample | $240.00 |
| Fine Aggregate | 1 x 500-g sieve sample 1 x 5-kg bulk sample | $160.00 |
| Soil Classification / Compaction | 1 x 5.5-kg bulk sample | $190.00 |
| Soil R-Value | 1 x 8-kg bulk sample | $170.00 |
| Soil CBR | 1 x 8-kg bulk sample | $170.00 |